Every year, thousands of college students from across the U.S. and Canada give up a full Saturday before finals begin to take a notoriously difficult, 6-hour math test — and not for a grade, but for ...

Every year, on the first Saturday in December, 2,500 of the most brilliant college students in North America take what may be the hardest math test in the world. How tough is it? Although there are ...

Most fourth graders in this country are not proficient in math. That was true for one rural Wisconsin elementary school until it changed the way it taught the subject. Most of the nation's fourth ...